Crash loading sublevel that had name changed when it is unloaded.

Tools - Apr 2, 2019

Updated name of sublevel leads to crash when it is about to be loaded. ...

Scroll bar thickness is unaffected when set below 4

UE - Editor - UI Systems - Apr 9, 2019

Scroll bar thickness is unaffected when set below 4. There appears to be a minimum size in place that prevents the scroll bar from being set to a size lower than 4 ...

Material Parameter Collection parameters only return default values when drawn to a Render Target

UE - Graphics Features - Mar 27, 2019

Material Parameter Collection parameters only return default values when drawn to a Render Target This does NOT happen when drawing a material using a non-MPC parameter. To test this:Open Actor_BP ...

Inserting before a FSlateImageRun twice will cause crash

UE - Editor - UI Systems - Apr 12, 2019

Crash when setting a bookmark after going live with Multi-User Editing

UE - Virtual Production - Apr 22, 2019

When using Steam VR in combination with the Multi-User Editing plugin and the Virtual Production Utilities plugin the engine crashes when adding a bookmark while a server is running. ...

STEAM: Modifying the connection slot numbers can lead to a condition where the lobby is no longer joinable

UE - Online - Apr 25, 2019

Session data no longer updates when the backend tells us our session is full which then limits the ability to modify the session size on the fly. Because of this, joinability will be set on the sess ...

Python cannot spawn object when running in Ueditor-CMD

UE - Editor - Workflow Systems - Dec 7, 2018

It is probably link to the fact the function try to access so GUI object that are not accessible in CMD EditorLevelLibrary.spawn_actor_from_object should work in commandlet ...

[Feature Request] Controller Input fires in both packaged build and editor at the same time

UE - Editor - UI Systems - Slate - Apr 30, 2019

Editor still receives input if a packaged game is being run on the same machine. ...

Rare error when launching to IOS, System.NullReferenceException: Object reference not set to an instance of an object

UE - Platform - Mobile - Feb 11, 2019

When launching to IOS from Mac, a vague error failed the launch on: System.NullReferenceException: Object reference not set to an instance of an object This was only encountered once and no other m ...

TrackFieldData and SubSectionFieldData structs not properly being serialized during cook in the Precompiled Evaluation Template

UE - Anim - Sequencer - May 3, 2019

During compile on the fly if the evaluation field is invalidated SubSectionField data will not have been properly serialized and the meta data will not be populated correctly, as the custom serializ ...